{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In this study we used neurosphere recovery assay that measured neurosphere formation at three time points to assess the capacity of the culture to repopulate after ATO treatment ."}
{"Chemical": ["ATO"]}